Design and Development of a Small-Scale Green Hydrogen Vehicle: Hydrogen Consumption Analysis under Varying Loads for Zero-Emission Transport

Hunn, Perry Yang Tchie and Afrouzi, Hadi Nabipour (2025) Design and Development of a Small-Scale Green Hydrogen Vehicle: Hydrogen Consumption Analysis under Varying Loads for Zero-Emission Transport. Energy Engineering, 122 (5). ISSN 1546-0118

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Abstract

With growing interest in its potential applications across both stationary and transportation sectors, hydrogen has emerged as a promising alternative for environmentally responsible power generation. By replacing traditional fuels, hydrogen can significantly reduce greenhouse gas emissions in the transportation sector. This study focuses on the design and downsizing of a green hydrogen fuel cell car, aiming to scale the concept for larger vehicles. Key components, including fuel cells, electrolysers, and solar panels, were evaluated through extensive laboratory testing. The findings reveal that variations in sunlight impact the solar panel’s hydrogen production rate, with differences of approximately 4.9% attributed to changes in time and date. Analysis of consumption rates showed that a 17.4% increase in current consumption leads to a significant reduction in operational time. Further testing under varying loads demonstrated that higher current demands, such as those from a DC motor, accelerate hydrogen depletion, whereas lower currents extend operational duration. These results underscore the importance of maximizing solar energy efficiency, reducing reliance on conventional energy sources, and regulating consumption rates to optimize fuel cell performance. Since hydrogen is produced using renewable energy, fuel cell technology is virtually emission-free. Additionally, the study highlights the viability of powering vehicles with renewable energy, emphasizing the potential of green hydrogen fuel cell technology as a sustainable transportation solution.

Item Type:	Article
Dates:	Date Event 28 February 2025 Accepted 25 April 2025 Published Online
Uncontrolled Keywords:	Environmentally sustainable, small scale, solar, hydrogen, fuel cell, car
Subjects:	CAH10 - engineering and technology > CAH10-01 - engineering > CAH10-01-08 - electrical and electronic engineering
Divisions:	Architecture, Built Environment, Computing and Engineering > Engineering
Depositing User:	Gemma Tonks
Date Deposited:	01 Aug 2025 14:13
Last Modified:	01 Aug 2025 14:14
URI:	https://www.open-access.bcu.ac.uk/id/eprint/16553

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